499203479 has 4 divisors (see below), whose sum is σ = 499451784. Its totient is φ = 498955176.

The previous prime is 499203407. The next prime is 499203499. The reversal of 499203479 is 974302994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 499203479 - 2¹⁶ = 499137943 is a prime.

It is a super-2 number, since 2×499203479² = 498408226891406882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499203499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121112 + ... + 125165.

It is an arithmetic number, because the mean of its divisors is an integer number (124862946).

Almost surely, 2^499203479 is an apocalyptic number.

499203479 is a deficient number, since it is larger than the sum of its proper divisors (248305).

499203479 is a wasteful number, since it uses less digits than its factorization.

499203479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248304.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 499203479 is about 22342.8619250086. The cubic root of 499203479 is about 793.2788358903.

The spelling of 499203479 in words is "four hundred ninety-nine million, two hundred three thousand, four hundred seventy-nine".